Coverage for jstark/features/channel_count.py: 100%

1"""ChannelCount feature""" 

2import pyspark.sql.functions as f 

3from pyspark.sql import Column 

4 

5from .distinctcount_feature import DistinctCount 

6 

7 

8class ChannelCount(DistinctCount): 

9 def column_expression(self) -> Column: 

10 return f.col("Channel") 

11 

12 @property 

13 def description_subject(self) -> str: 

14 return "Distinct count of Channels" 

15 

16 @property 

17 def commentary(self) -> str: 

18 return ( 

19 "Channels may be things like 'instore' or 'online', although you can supply" 

20 + " whatever values you want. Perhaps they are marketing channels. This " 

21 + " feature is the number of distinct channels in which activity occurred." 

22 )